package com.forcht.webApplication;
/**
 * 
 * @author forcht
 *
 */

import java.io.IOException;
import java.io.InputStream;

public class Request {
	
	private InputStream input;
	private String uri;
	
	public Request(InputStream input) {
		this.input=input;
	}
	/**
	 * 解析请求
	 * 只是将请求打印出来
	 */
	public void parse() {
		StringBuffer request=new StringBuffer(2048);
		int i;
		byte[] buffer=new byte[2048];
		try {
			i=input.read(buffer);
		} catch (IOException e) {
			e.printStackTrace();
			i=-1;
		}
		for(int j=0;j<i;j++) {
			request.append((char)buffer[j]);
		}
		System.out.println(request.toString());
		uri=parseUri(request.toString());
	}
	/**
	 * 获取请求的行中的url
	 * @param requestString
	 * @return
	 */
	private String parseUri(String requestString) {
		int index1,index2;
		index1=requestString.indexOf(' ');
		if (index1!=-1) {
			index2=requestString.indexOf(' ',index1+1);
			if(index2>index1) {
				return requestString.substring(index1+1, index2);
			}
		}
		return null;
	}
	public String getUri() {
		return uri;
	}
	
}
